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comparison src/cs/drivers/drv_app/r2d/lcds/c139/r2d_task_i.c @ 47:502a0a3f6a49

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C139 LCD support reinstated in the new way
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 18 Oct 2020 02:03:10 +0000
parents 4e78acac3d88
children 4221c724c664
comparison
equal deleted inserted replaced
46:09cdd5bf04e4 47:502a0a3f6a49
37 37
38 void r2d_lcd_power_off(void) 38 void r2d_lcd_power_off(void)
39 { 39 {
40 } 40 }
41 41
42 static int get_pix_from_sw_fb(UINT32 *fb, UINT16 x, UINT16 y)
43 {
44 UINT32 *p, mask;
45 UINT16 yword, ybit;
46
47 /* mirroring */
48 x = R2D_WIDTH - 1 - x;
49 y = R2D_HEIGHT - 1 - y;
50 yword = y >> 5;
51 ybit = y & 31;
52 p = fb + x * R2D_MWHEIGHT + yword;
53 mask = 1 << ybit;
54 if (*p & mask)
55 return(1);
56 else
57 return(0);
58 }
59
60 void r2d_refresh(void) 42 void r2d_refresh(void)
61 { 43 {
62 UINT16 x, y; 44 UINT16 i, j, k;
63 UINT32 *fb; 45 UINT32 v;
46 UINT32 *p;
47 INT16 y1, y2;
64 48
65 fb = r2d_g_framebuffer->p_memory_words; 49 p=r2d_g_framebuffer->p_memory_words;
50
51 y1=r2d_update_ul_y; //0
52 y2=r2d_update_br_y; //63
66 53
67 /* set the LCD up to refresh the 84x48 area */ 54 /* set window area */
68 c139_set_lcd_addr_region(6, 89, 8, 55); 55 c139_set_lcd_addr_region(0, 95, y1, y2);
69 /* send the pixels */ 56
70 for (y = 0; y < R2D_HEIGHT; y++) { 57 p=p+y1*R2D_MWWIDTH;
71 for (x = 0; x < R2D_WIDTH; x++) { 58
72 if (get_pix_from_sw_fb(fb, x, y)) 59 for (i=y1;i<=y2;i++)
73 c139_lcd_send_pix(LCD16_COLOR_BLACK); 60 {
74 else 61 for (j = 0; j < R2D_MWWIDTH-1; j++)
75 c139_lcd_send_pix(LCD16_COLOR_WHITE); 62 {
76 } 63 v=*p++;
77 } 64 for (k=0;k<32;k++)
65 {
66 if (v&1)
67 c139_lcd_send_pix(LCD16_COLOR_BLACK);
68 else
69 c139_lcd_send_pix(LCD16_COLOR_WHITE);
70 v=v>>1;
71 }
72 }
73 p++;
74 }
78 75
79 r2d_reinit_update_region(); 76 r2d_reinit_update_region();
80 } 77 }